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EP1115249A1 - Management method for a decoder connected to the Internet and associated decoder - Google Patents

Management method for a decoder connected to the Internet and associated decoder Download PDF

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Publication number
EP1115249A1
EP1115249A1 EP01400015A EP01400015A EP1115249A1 EP 1115249 A1 EP1115249 A1 EP 1115249A1 EP 01400015 A EP01400015 A EP 01400015A EP 01400015 A EP01400015 A EP 01400015A EP 1115249 A1 EP1115249 A1 EP 1115249A1
Authority
EP
European Patent Office
Prior art keywords
message
decoder
database
viewed
displayed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01400015A
Other languages
German (de)
French (fr)
Other versions
EP1115249B1 (en
Inventor
M. Patrick Lodola
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagemcom Broadband SAS
Original Assignee
Sagem SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sagem SA filed Critical Sagem SA
Publication of EP1115249A1 publication Critical patent/EP1115249A1/en
Application granted granted Critical
Publication of EP1115249B1 publication Critical patent/EP1115249B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • H04N21/42692Internal components of the client ; Characteristics thereof for reading from or writing on a volatile storage medium, e.g. Random Access Memory [RAM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26291Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • H04N21/42661Internal components of the client ; Characteristics thereof for reading from or writing on a magnetic storage medium, e.g. hard disk drive
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/478Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782Web browsing, e.g. WebTV
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/478Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4786Supplemental services, e.g. displaying phone caller identification, shopping application e-mailing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/488Data services, e.g. news ticker
    • H04N21/4886Data services, e.g. news ticker for displaying a ticker, e.g. scrolling banner for news, stock exchange, weather data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6106Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6118Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6156Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6168Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6156Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17318Direct or substantially direct transmission and handling of requests

Definitions

  • the subject of the present invention is a method for managing a decoder connected to the Internet. It also relates to an associated decoder. She applies to the field of television decoders connected on the one hand to a TV and secondly to a remote data source. So the decoder receives information from the data source and transmits it to the TV in an appropriate form.
  • the object of the invention is to allow a user to view information on a TV screen view and for which we remove a waiting time linked to the establishment communication with the remote data source including this message to view and associated download time.
  • a network wired uses a wired connection with a coaxial cable for example while for the satellite or terrestrial network the link is constituted by free space.
  • these two types of access are juxtaposed. Indeed, we use the decoder to receive information from the cable, satellite or terrestrial and we use a modem to receive information from the network Internet via the switched telephone network for example. However, the decoder can receive messages to be viewed of the type of those that are can get from the Internet.
  • connection time For the two previous types of access, another problem exists due to the connection time required. Indeed, from when the user chooses, selects, or more messages to view precisely an address where the message to be viewed is located, and the instant when a content of this message to be displayed is displayed on the television screen, it a time of the order of several seconds or even minutes may elapse. This access time actually depends on a speed allocated to a user, this speed allocated is based on the number of users using the same link simultaneously. Consequently, in a simplified way, we can say that a link actually authorizes a maximum speed and that we divide this speed maximum by a number of users using this link in order to obtain a useful flow per user.
  • the object of the present invention is to remedy these problems by proposing a method for managing the decoder in order to ensure that user faster access to messages to view. For that, we creates an internal database, in the decoder for example, containing the messages to be displayed which are updated regularly. The user thus has priority access to the database rather than the network which optimizes access times by reducing them the most often possible at a time of access to the database. We realize in in addition to a decoder making it possible to implement the invention.
  • the invention also relates to a television decoder characterized in that it includes a memory for saving a message to be displayed, this message being automatically updated by an update program day.
  • Figure 1 shows an example of architecture for setting up implements the process of the invention.
  • This example shows a decoder 1 of television according to the invention connected to a television 2.
  • This decoder 1 receives a message to be viewed, identified by an address, from a data source 3 distant.
  • This means that decoder 1 and source 3 are generally separated by a network 4.
  • This network 4 is in a preferred example a coaxial cable videocommunication network said to be a wired network satellite video communications network.
  • the server 3 sends messages to display at decoder 1, via network 4, which transmits them to TV 2 in a suitable form.
  • a suitable form means for TV 2 a form of signals that TV 2 can use to display an understandable image.
  • the server 3 has a memory 5 comprising messages 5 1 at 5 m.
  • the user of TV 2 can select a message to view via a menu 6 on a screen 7 of the television 2.
  • the server 3 comprises for that a transceiver 8 in order to access the network 4 to which it is connected via a link 9.
  • the decoder 1 likewise includes a transceiver 10 allowing it to connect to network 4 by through a link 11.
  • the decoder 1 of the invention comprises a modem 12 allowing a user of TV 2 to access a source of remote data connected to a network 13, for example a source 13 1.
  • This network 13 is commonly called and accessed through the Internet generally via a network 14 of the telephone network type switched.
  • the source 13 1 is generally a server such as the server 3. Access to the network 13 is via an access 15 controlled by an Internet service provider or, in an abridged form of its translation in English, ISP (Internet Service Provider). So a TV user 2 is connected to the decoder 1 by a link 16, the decoder 1 being able to be connected via link 16 via a tuner 17 as transmitter by example.
  • ISP Internet Service Provider
  • the decoder 1 of the invention comprises a memory 18 of backup of a database.
  • This database is produced at from a collection 19 of messages received from the server 3 and / or from the source 13 1. More generally, messages 18 are saved in the memory received from the remote data source. These received messages are by example messages 5 1 to 5 m or messages from the source 13 1.
  • Management of the decoder 1 of the invention is ensured by a microprocessor 20 controlled by a program 21 in a memory of program 22 and a bus 23 of commands, addresses and data.
  • a program 21 browser 21 This browser 21 allows a user of TV 2 to search for information through network 4 and / or through network 13 and / or, preferably, in the memory 18.
  • a program 24 is mainly responsible for replace a message from collection 19 with an updated version of this message.
  • This program 24 is produced, from a use of the base of data, a table 25 of information 25 1, 25 2 to 25 i statistics.
  • a information 25 1 to 25 i includes at least one statistical parameter.
  • a statistical parameter associated with a message to be displayed makes it possible to estimate a user interest in this message to be viewed.
  • This table 25 can be controlled by program 24 or by another statistical program of the memory 22.
  • content of the message to be viewed, located at desired, can be removed to be viewed and saved in the memory 18. If the message to be viewed is in memory 18, a access time to this message is reduced to a memory access time 18 whereas if the message is to be downloaded from the data source then the access time depends on the time required to establish the connection with this remote data source, for example server 3, as well as a download time which can be very slow, especially for access the source 13 1.
  • the browser 21 and / or the 24 update program to ensure automatic management updating the data in memory 18.
  • the program 24, for example, tells program 21 that an update is necessary.
  • the program 21 accesses the data source remotely regularly to take updated content associated with a message to view from the database.
  • the remote data source previous is obviously the one with the latest version as of the message to be viewed considered.
  • memory 18 includes a message 26 which must be updated.
  • a message to be viewed is identified by an address.
  • the browser 21 establishes a connection to this address in order to extract the content and replace it with the message 26.
  • the address of message 26 corresponds to the location of message 5 1 from server 3. In this case, message 5 1 will replace message 26.
  • Information 25 1 to 25 i has several fields including one field stores the address of a corresponding message in the memory 18 for example, for information 25 1, a field 27.
  • statistical information has three fields.
  • the information 25 1 for example, comprises a first field corresponds to field 27, a second field 28 allowing to memorize a statistical parameter and a field 29 allows meanwhile to schedule a date by which the update should be performed.
  • the address in field 27 allows identify a message to view relating to a weather report daily.
  • information is placed indicating to the program 24 when the update should be done.
  • updating day should be done every day at three in the morning.
  • field 29 will have a value indicating to the program 24 that the message associated with this address contained in field 27 must be updated every day at three in the morning for example. So, every morning when the user of TV 2 watches the bulletin meteorological, browser 21 will fetch the message relating to this bulletin in memory 18 and can therefore respond to the user's request almost immediately, at the time of access to the memory 18 near.
  • program 24 eliminates a display message deemed to be the least used. To judge a frequency of display, and therefore use of a message to be displayed, the program 24 uses content from fields such as field 28 and suppress the message whose value in this field indicates that the associated message is least used.
  • decoder 1 is generally associated with an operator's server, for example the server 3.
  • the server 3 comprising a microprocessor 30 controlled by a program 31 in a program memory 32 and a bus 33 of commands, addresses and data, can send to the decoder 1 of the predefined and imposed messages. These messages are not always timely.
  • the browser 21 sends content to table 25 to server 3.
  • server 3 receiving the contents of table 25, saves it in a backup memory 34 in a location 34 1 reserved for a user of decoder 1, other locations 34 2 to 34 n being reserved for other users who can also access the server 3.
  • This information that the server 3 requires the decoder 1 can be information from the source 13 1 connected to the network 13 to which the server 3 is connected either directly by a link 35 either by network 4 which itself is connected to network 13 by a link 36.
  • a statistical parameter can be, as we have seen, an identifier of the message to view.
  • This identifier is information such as an address or a keyword used to characterize the message to be displayed. Indeed, the more often in messages sent from network 13, each message to view contains a word or a group of words allowing to characterize this message to be viewed.
  • keywords the words weather and / or information. So, we could consider memorizing these keywords in the decoder 1 in a table 37 or then memorize them in fields table 25.
  • the memory 18 is placed in the decoder 1. However, one could very well consider placing memory 18 in the television set 2.
  • memory 18, table 25 as well as table 37 can be either three physically separate memory items or belong to the same backup memory 38.
  • this memory 38 is a memory called mass memory or also hard disk, that is to say that in a simple example it is a rotating disc on which information is stored in magnetic form.
  • the program 24 updates the database data when the use of decoder 1 allows it, i.e. when a user does not use decoder 1 by accessing the network 13 for example. This avoids overloading the microprocessor 20 and therefore to slow down an operation of the decoder 1.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Information Transfer Between Computers (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Computer And Data Communications (AREA)

Abstract

Pour permettre à un utilisateur d'un téléviseur relié à un décodeur ayant un accès à une source de données distante d'accéder à des messages à visualiser préférés rapidement, on mémorise ces derniers dans une mémoire de sauvegarde du décodeur et on les met à jour à des dates prédéterminées voire occasionnellement. Ainsi, on crée dans le décodeur un mini-réseau Internet mais régulièrement mis à jour. On diminue ainsi un temps d'accès au message à visualiser au temps nécessaire pour accéder à la mémoire de sauvegarde dans le décodeur. <IMAGE>To allow a user of a television set connected to a decoder having access to a remote data source to access preferred display messages quickly, these are stored in a backup memory of the decoder and they are updated on predetermined dates or even occasionally. Thus, an Internet mini-network is created in the decoder but regularly updated. An access time to the message to be displayed is thus reduced to the time necessary to access the backup memory in the decoder. <IMAGE>

Description

La présente invention a pour objet un procédé de gestion d'un décodeur relié à Internet. Elle concerne aussi un décodeur associé. Elle s'applique au domaine des décodeurs de télévision reliés d'une part à un téléviseur et d'autre part à une source de données distante. Ainsi, le décodeur reçoit des informations de la source de données et les transmet au téléviseur sous une forme appropriée. Le but de l'invention est de permettre à un utilisateur de visualiser sur un écran du téléviseur des informations à visualiser et pour lequel on supprime un temps d'attente lié à l'établissement de la communication avec la source de données distante comportant ce message à visualiser et un temps de téléchargement associé.The subject of the present invention is a method for managing a decoder connected to the Internet. It also relates to an associated decoder. She applies to the field of television decoders connected on the one hand to a TV and secondly to a remote data source. So the decoder receives information from the data source and transmits it to the TV in an appropriate form. The object of the invention is to allow a user to view information on a TV screen view and for which we remove a waiting time linked to the establishment communication with the remote data source including this message to view and associated download time.

Actuellement, on connaít deux principaux types de sources de données distante permettant de télécharger un message à visualiser. Il s'agit du réseau dit Internet et du réseau dit câblé, satellite ou terrestre. Un réseau câblé utilise une liaison filaire avec un câble coaxial par exemple alors que pour le réseau satellite ou terrestre la liaison est constituée par l'espace libre. Cependant, on peut étendre ceux-ci à tout type de sources de données distantes permettant de télécharger des messages à visualiser. Généralement, ces deux types d'accès sont juxtaposés. En effet, on utilise le décodeur pour recevoir des informations du réseau câblé, satellite ou terrestre et on utilise un modem pour recevoir des informations du réseau Internet via le réseau téléphonique commuté par exemple. Toutefois, le décodeur peut recevoir des messages à visualiser du type de ceux que l'on peut obtenir à partir du réseau Internet.Currently, there are two main types of sources of remote data allowing to download a message to be viewed. It's about of the so-called Internet network and of the so-called cable, satellite or terrestrial network. A network wired uses a wired connection with a coaxial cable for example while for the satellite or terrestrial network the link is constituted by free space. However, we can extend these to all types of data sources remote to download messages to view. Generally, these two types of access are juxtaposed. Indeed, we use the decoder to receive information from the cable, satellite or terrestrial and we use a modem to receive information from the network Internet via the switched telephone network for example. However, the decoder can receive messages to be viewed of the type of those that are can get from the Internet.

Plusieurs problèmes existent en rapport avec cet état de la technique. En effet, tout d'abord avec le modem et le réseau Internet, on obtient des messages à visualiser que l'on peut mémoriser mais dont une consultation ultérieure nécessitera un nouvel accès au réseau Internet. En effet, le message à visualiser qui a été mémorisé n'est plus forcément mis à jour lors de ce nouvel accès. D'autre part, dans le cas du décodeur, alors qu'il est relié à un réseau par l'intermédiaire d'un opérateur, ce décodeur peut recevoir de l'opérateur des messages à visualiser de type Internet. Cependant, ces messages à visualiser sont prédéfinis et imposés à l'utilisateur. Several problems exist in connection with this state of the art. In fact, first of all with the modem and the Internet, we get messages to view that can be memorized but including a consultation later will require new access to the Internet. Indeed, the message to be displayed which has been memorized is no longer necessarily updated during of this new access. On the other hand, in the case of the decoder, while it is connected to a network via an operator, this decoder can receive Internet-type messages from the operator. However, these messages to be displayed are predefined and imposed on the user.

En outre, et pour les deux types d'accès précédents, un autre problème existe du fait du temps de connexion nécessaire. En effet, du moment où l'utilisateur choisit, sélectionne, un message à visualiser, ou plus précisément une adresse où se trouve le message à visualiser, et l'instant où un contenu de ce message à visualiser est affiché sur l'écran du téléviseur, il peut s'écouler un temps de l'ordre de plusieurs secondes voire minutes. Ce temps d'accès dépend en fait d'un débit alloué à un utilisateur, ce débit alloué est en fonction du nombre d'utilisateurs utilisant une même liaison simultanément. En conséquence, d'une manière simplifiée, on peut dire qu'une liaison autorise en fait un débit maximum et que l'on divise ce débit maximum par un nombre d'utilisateurs utilisant cette liaison afin d'obtenir un débit utile par utilisateur.In addition, and for the two previous types of access, another problem exists due to the connection time required. Indeed, from when the user chooses, selects, or more messages to view precisely an address where the message to be viewed is located, and the instant when a content of this message to be displayed is displayed on the television screen, it a time of the order of several seconds or even minutes may elapse. This access time actually depends on a speed allocated to a user, this speed allocated is based on the number of users using the same link simultaneously. Consequently, in a simplified way, we can say that a link actually authorizes a maximum speed and that we divide this speed maximum by a number of users using this link in order to obtain a useful flow per user.

La présente invention a pour objet de remédier à ces problèmes en proposant un procédé permettant de gérer le décodeur afin d'assurer à l'utilisateur un accès à des messages à visualiser plus rapide. Pour cela, on crée une base de données interne, dans le décodeur par exemple, comportant les messages à visualiser que l'on met à jour régulièrement. L'utilisateur accède ainsi en priorité à la base de données plutôt qu'au réseau ce qui permet d'optimiser ainsi les temps d'accès en les réduisant le plus souvent possible à un temps d'accès à la base de données. On réalise en outre un décodeur permettant de mettre en oeuvre l'invention.The object of the present invention is to remedy these problems by proposing a method for managing the decoder in order to ensure that user faster access to messages to view. For that, we creates an internal database, in the decoder for example, containing the messages to be displayed which are updated regularly. The user thus has priority access to the database rather than the network which optimizes access times by reducing them the most often possible at a time of access to the database. We realize in in addition to a decoder making it possible to implement the invention.

L'invention concerne donc un procédé de gestion d'un décodeur relié à un téléviseur et recevant un message à visualiser, identifié par une adresse, d'une source de données distante caractérisé en ce que :

  • on produit dans une mémoire de sauvegarde une base de données à partir d'une collection de messages reçus de la source de données distante,
  • on met à jour la base de données à l'aide d'un programme de mise à jour,
  • on produit, à partir d'une utilisation de la base de donnée, une table d'informations statistiques, une information statistique comportant au moins un paramètre statistique,
  • on gère, avec le programme de mise à jour, une organisation de la base de données à partir des informations statistiques de la table,
et en ce que lors d'une demande de connexion à une adresse souhaitée d'un message à visualiser :
  • on contrôle en premier lieu si le message à visualiser associé à cette adresse souhaitée est présent dans la base de donnée sinon on prélève à partir de la source de données distante un contenu du message à visualiser situé à l'adresse souhaitée.
The invention therefore relates to a method for managing a decoder connected to a television set and receiving a message to be displayed, identified by an address, from a remote data source, characterized in that:
  • a database is produced in a backup memory from a collection of messages received from the remote data source,
  • the database is updated using an update program,
  • from a use of the database, a table of statistical information is produced, statistical information comprising at least one statistical parameter,
  • we manage, with the update program, an organization of the database from the statistical information of the table,
and in that during a request for connection to a desired address of a message to be displayed:
  • firstly, it is checked whether the message to be displayed associated with this desired address is present in the database, otherwise a content of the message to be displayed located at the desired address is taken from the remote data source.

L'invention concerne également un décodeur de télévision caractérisé en ce qu'il comporte une mémoire de sauvegarde d'un message à visualiser, ce message étant mis un jour automatiquement par un programme de mise à jour.The invention also relates to a television decoder characterized in that it includes a memory for saving a message to be displayed, this message being automatically updated by an update program day.

L'invention sera mieux comprisse à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci ne sont présentées qu'à titre indicatif et nullement limitatif de l'invention. Les figures montrent :

  • Figure 1 : un exemple d'architecture d'un décodeur de télévision permettant de mettre en oeuvre le procédé de l'invention.
The invention will be better understood on reading the description which follows and on examining the figures which accompany it. These are presented for information only and in no way limit the invention. The figures show:
  • Figure 1: an example of architecture of a television decoder for implementing the method of the invention.

La figure 1 montre un exemple d'architecture permettant de mettre en oeuvre le procédé de l'invention. Cet exemple montre un décodeur 1 de télévision selon l'invention relié à un téléviseur 2. Ce décodeur 1 reçoit un message à visualiser, identifié par une adresse, d'une source 3 de données distantes. Cela signifie que le décodeur 1 et la source 3 sont généralement séparés par un réseau 4. Ce réseau 4 est dans un exemple préféré un réseau de vidéocommunication par câble coaxial dit réseau câblé soit un réseau de vidéocommunication par satellite.Figure 1 shows an example of architecture for setting up implements the process of the invention. This example shows a decoder 1 of television according to the invention connected to a television 2. This decoder 1 receives a message to be viewed, identified by an address, from a data source 3 distant. This means that decoder 1 and source 3 are generally separated by a network 4. This network 4 is in a preferred example a coaxial cable videocommunication network said to be a wired network satellite video communications network.

Dans un fonctionnement normal, le serveur 3 envoie des messages à visualiser au décodeur 1, par l'intermédiaire du réseau 4, qui les transmet au téléviseur 2 sous une forme appropriée. Une forme appropriée signifie pour le téléviseur 2 une forme de signaux que le téléviseur 2 peut utiliser pour afficher une image compréhensible. Pour permettre ce fonctionnement normal, le serveur 3 comporte une mémoire 5 comportant des messages 5 1 à 5 m. L'utilisateur du téléviseur 2 peut sélectionner un message à visualiser via un menu 6 sur un écran 7 du téléviseur 2. Le serveur 3 comporte pour cela un émetteur-récepteur 8 afin d'accéder au réseau 4 auquel il est relié par l'intermédiaire d'un liaison 9. Le décodeur 1 comporte de même un émetteur récepteur 10 lui permettant de se connecter au réseau 4 par l'intermédiaire d'une liaison 11.In normal operation, the server 3 sends messages to display at decoder 1, via network 4, which transmits them to TV 2 in a suitable form. A suitable form means for TV 2 a form of signals that TV 2 can use to display an understandable image. To allow this operation normal, the server 3 has a memory 5 comprising messages 5 1 at 5 m. The user of TV 2 can select a message to view via a menu 6 on a screen 7 of the television 2. The server 3 comprises for that a transceiver 8 in order to access the network 4 to which it is connected via a link 9. The decoder 1 likewise includes a transceiver 10 allowing it to connect to network 4 by through a link 11.

En outre, le décodeur 1 de l'invention comporte un modem 12 permettant à un utilisateur du téléviseur 2 d'accéder à une source de données distante reliée à un réseau 13, par exemple une source 13 1. Ce réseau 13 est appelé couramment réseau Internet et on y accède généralement par l'intermédiaire d'un réseau 14 de type réseau téléphonique commuté. La source 13 1 est généralement un serveur tel que le serveur 3. Un accès au réseau 13 se fait par l'intermédiaire d'un accès 15 contrôlé par un fournisseur d'accès Internet ou, sous une forme abrégée de sa traduction en anglais, ISP (Internet Service Provider). Ainsi, un utilisateur du téléviseur 2 est relié au décodeur 1 par une liaison 16, le décodeur 1 pouvant être relié par la liaison 16 par l'intermédiaire d'un syntoniseur 17 comme émetteur par exemple.In addition, the decoder 1 of the invention comprises a modem 12 allowing a user of TV 2 to access a source of remote data connected to a network 13, for example a source 13 1. This network 13 is commonly called and accessed through the Internet generally via a network 14 of the telephone network type switched. The source 13 1 is generally a server such as the server 3. Access to the network 13 is via an access 15 controlled by an Internet service provider or, in an abridged form of its translation in English, ISP (Internet Service Provider). So a TV user 2 is connected to the decoder 1 by a link 16, the decoder 1 being able to be connected via link 16 via a tuner 17 as transmitter by example.

Le décodeur 1 de l'invention comporte une mémoire 18 de sauvegarde d'une base de données. Cette base de données est produite à partir d'une collection 19 de messages reçus du serveur 3 et/ou de la source 13 1. Plus généralement, on sauvegarde dans la mémoire 18 des messages reçus de la source de données distante. Ces messages reçus sont par exemple les messages 5 1 à 5 m ou encore des messages provenant de la source 13 1. Une gestion du décodeur 1 de l'invention est assurée par un microprocesseur 20 commandé par un programme 21 dans une mémoire de programme 22 et un bus 23 de commandes, d'adresses et de données. On nommera par la suite le programme 21 navigateur 21. Ce navigateur 21 permet à un utilisateur du téléviseur 2 de chercher une information à travers le réseau 4 et/ou à travers le réseau 13 et/ou, de manière préférée, dans la mémoire 18.The decoder 1 of the invention comprises a memory 18 of backup of a database. This database is produced at from a collection 19 of messages received from the server 3 and / or from the source 13 1. More generally, messages 18 are saved in the memory received from the remote data source. These received messages are by example messages 5 1 to 5 m or messages from the source 13 1. Management of the decoder 1 of the invention is ensured by a microprocessor 20 controlled by a program 21 in a memory of program 22 and a bus 23 of commands, addresses and data. We will subsequently name the program 21 browser 21. This browser 21 allows a user of TV 2 to search for information through network 4 and / or through network 13 and / or, preferably, in the memory 18.

Selon une première caractéristique essentielle de l'invention, on met à jour un contenu de la base de données à l'aide d'un programme 24 de mise à jour dans la mémoire 22. Ce programme 24 a en charge principalement de remplacer un message de la collection 19 par une version à jour de ce message. En outre, on produit, à partir d'une utilisation de la base de données, une table 25 d'informations 25 1, 25 2 à 25 i statistiques. Une information 25 1 à 25 i comporte au moins un paramètre statistique. Un paramètre statistique associé à un message à visualiser permet d'estimer un intérêt de l'utilisateur pour ce message à visualiser. Cette table 25 peut être contrôlée par le programme 24 ou par un autre programme statistique de la mémoire 22. According to a first essential characteristic of the invention, one puts at update database content using a 24-hour update program day in memory 22. This program 24 is mainly responsible for replace a message from collection 19 with an updated version of this message. In addition, it is produced, from a use of the base of data, a table 25 of information 25 1, 25 2 to 25 i statistics. A information 25 1 to 25 i includes at least one statistical parameter. A statistical parameter associated with a message to be displayed makes it possible to estimate a user interest in this message to be viewed. This table 25 can be controlled by program 24 or by another statistical program of the memory 22.

En conséquence, on gère, avec le programme 24, une organisation de la base de données à partir des informations statistiques de la table 25. Par gestion de l'organisation de la base de données, on entend contrôle d'une capacité d'une zone mémoire disponible de la mémoire 18 pouvant accueillir de nouveaux messages. On entend aussi mise à jour des messages ainsi mémorisés dans la mémoire 18. Plus généralement, on entend toute opération permettant d'agir sur un message mémorisé dans la mémoire 18 afin de rendre son contenu pertinent pour un utilisateur, un contenu pertinent étant un contenu le plus récent. Ainsi, lorsqu'un utilisateur demande une connexion à une adresse souhaitée d'un message à visualiser, le navigateur 21 contrôle en premier lieu si le message à visualiser associé à cette adresse souhaitée est présent dans la base de données, c'est-à-dire s'il fait partie de la collection 19. Dans le cas contraire, le navigateur 21 prend en charge de réaliser une connexion avec la source de données distante. Suite à cette connexion, un contenu du message à visualiser, situé à l'adresse souhaitée, peut être prélevée pour être visualisée et sauvegardée dans la mémoire 18. Si le message à visualiser se trouve dans la mémoire 18, un temps d'accès à ce message est réduit à un temps d'accès à la mémoire 18 alors que si le message doit être téléchargé à partir de la source de données alors le temps d'accès dépend du temps nécessaire à l'établissement de la connexion avec cette source de données distante, par exemple le serveur 3, ainsi qu'une durée du téléchargement qui peut être très lent notamment pour accéder à la source 13 1.Consequently, with program 24, an organization of the database from the statistical information in table 25. By management of the organization of the database, we mean control of a capacity of an available memory area of memory 18 which can accommodate new messages. We also hear update messages as well stored in memory 18. More generally, we mean any operation to act on a message stored in memory 18 in order to make its content relevant to a user, relevant content being the most recent content. So when a user requests a connection to a desired address of a message to be viewed, the browser 21 firstly checks whether the message to be displayed associated with this desired address is present in the database, i.e. if it does part of the collection 19. Otherwise, the browser 21 takes into account responsible for establishing a connection with the remote data source. After at this connection, content of the message to be viewed, located at desired, can be removed to be viewed and saved in the memory 18. If the message to be viewed is in memory 18, a access time to this message is reduced to a memory access time 18 whereas if the message is to be downloaded from the data source then the access time depends on the time required to establish the connection with this remote data source, for example server 3, as well as a download time which can be very slow, especially for access the source 13 1.

Dans une variante préférée de l'invention, le navigateur 21 et/ou le programme 24 de mise à jour permettent d'assurer une gestion automatique de la mise à jour des données dans la mémoire 18. Pour cela le programme 24, par exemple, indique au programme 21 qu'une mise à jour est nécessaire. Dans ce cas le programme 21 accède à la source de données distante régulièrement afin de prélever un contenu mis à jour associé à un message à visualiser de la base de données. La source de données distante précédente est bien évidemment celle qui comporte une version la dernière en date du message à visualisé considéré. Par exemple, la mémoire 18 comporte un message 26 qui doit être mis à jour. On rappelle qu'un message à visualiser est identifié par une adresse. Ainsi, le navigateur 21 établit une connexion à cette adresse afin d'en prélever le contenu et de le substituer au message 26. Dans cet exemple l'adresse du message 26 correspond à l'emplacement du message 5 1 du serveur 3. Dans ce cas, le message 5 1 va venir remplacer le message 26.In a preferred variant of the invention, the browser 21 and / or the 24 update program to ensure automatic management updating the data in memory 18. For this, the program 24, for example, tells program 21 that an update is necessary. In this case the program 21 accesses the data source remotely regularly to take updated content associated with a message to view from the database. The remote data source previous is obviously the one with the latest version as of the message to be viewed considered. For example, memory 18 includes a message 26 which must be updated. Remember that a message to be viewed is identified by an address. Thus, the browser 21 establishes a connection to this address in order to extract the content and replace it with the message 26. In this example, the address of message 26 corresponds to the location of message 5 1 from server 3. In this case, message 5 1 will replace message 26.

Une information 25 1 à 25 i comporte plusieurs champs dont un champ permet de mémoriser l'adresse d'un message correspondant dans la mémoire 18 par exemple, pour l'information 25 1, un champ 27. Dans un exemple simple de réalisation de l'invention, une information statistique comporte trois champs. Ainsi, l'information 25 1 par exemple, comporte un premier champ correspond au champ 27, un deuxième champ 28 permettant de mémoriser quant à lui un paramètre statistique et un champ 29 permet quant à lui de programmer une date à laquelle la mise à jour doit être effectuée.Information 25 1 to 25 i has several fields including one field stores the address of a corresponding message in the memory 18 for example, for information 25 1, a field 27. In a simple example of embodiment of the invention, statistical information has three fields. Thus, the information 25 1 for example, comprises a first field corresponds to field 27, a second field 28 allowing to memorize a statistical parameter and a field 29 allows meanwhile to schedule a date by which the update should be performed.

Dans cet exemple de fonctionnement, elle place dans une information statistique, par exemple l'information 25 1, un paramètre statistique relatif à une fréquence d'utilisation du message à visualiser dont une adresse est mémorisée dans le champ 27, ce paramètre statistique étant mémorisé dans le champ 28.In this working example, it places in information statistical, for example information 25 1, a statistical parameter relating to a frequency of use of the message to be displayed for which an address is stored in field 27, this statistical parameter being stored in field 28.

Dans un exemple d'application, l'adresse du champ 27 permet d'identifier un message à visualiser relatif à un bulletin météorologique quotidien. Ainsi, dans le champ 29, on place une information indiquant au programme 24 quand doit être faite la mise à jour. Dans l'exemple la mise à jour doit être effectuée tous les jours à trois heures du matin. En conséquence, le champ 29 comportera une valeur indiquant au programme 24 que le message associé à cette adresse contenu dans le champ 27 doit être réactualisée tous les jours à trois heures du matin par exemple. Ainsi, tous les matins lorsque l'utilisateur du téléviseur 2 regardera le bulletin météorologique, le navigateur 21 ira chercher le message relatif à ce bulletin dans la mémoire 18 et pourra donc répondre à la requête de l'utilisateur quasi immédiatement, au temps d'accès à la mémoire 18 près.In an example application, the address in field 27 allows identify a message to view relating to a weather report daily. Thus, in field 29, information is placed indicating to the program 24 when the update should be done. In the example, updating day should be done every day at three in the morning. In consequently, field 29 will have a value indicating to the program 24 that the message associated with this address contained in field 27 must be updated every day at three in the morning for example. So, every morning when the user of TV 2 watches the bulletin meteorological, browser 21 will fetch the message relating to this bulletin in memory 18 and can therefore respond to the user's request almost immediately, at the time of access to the memory 18 near.

Cependant, il peut arriver que l'on ne peut plus sauvegarder de messages à visualiser dans la mémoire 18. Dans ce cas le programme 24 élimine un message à visualiser jugé le moins utilisé. Pour juger d'une fréquence de visualisation, et donc d'utilisation d'un message à visualiser, le programme 24 utilise un contenu des champs tel que le champ 28 et supprime le message dont une valeur dans ce champ indique que le message associé est le moins utilisé. En outre, le décodeur 1 est généralement associé avec un serveur d'un opérateur, par exemple le serveur 3. Ainsi le serveur 3, comportant un microprocesseur 30 commandé par un programme 31 dans une mémoire de programme 32 et un bus 33 de commandes, d'adresses et de données, peut émettre à destination du décodeur 1 des messages prédéfinis et imposés. Ces messages ne sont pas toujours opportuns. Dans ce cas et dans un exemple préféré de l'invention le navigateur 21 émet à destination du serveur 3 un contenu de la table 25. Le serveur 3, recevant le contenu de la table 25, le sauvegarde dans une mémoire 34 de sauvegarde à un emplacement 34 1 réservé à un utilisateur du décodeur 1, d'autres emplacements 34 2 à 34 n étant réservés à d'autres utilisateurs pouvant aussi accéder au serveur 3. Ces informations que le serveur 3 impose au décodeur 1 peuvent être des informations issues de la source 13 1 relié au réseau 13 auquel le serveur 3 est relié soit directement par une liaison 35 soit par le réseau 4 qui lui même est relié au réseau 13 par une liaison 36. Ainsi, avec le contenu de la table 25, il est facile d'estimer un profil de l'utilisateur. Par partir de ce profil le programme 31 du serveur 3 peut choisir pour chaque utilisateur un type de message à lui envoyer. En conséquence, un utilisateur reçoit dorénavant de l'opérateur des informations à visualiser en concordance avec le profil établi à partir de la table 25 qui a été émise au serveur 3. Ces informations sont envoyées à travers la liaison 11 à haute vitesse de façon automatique.However, it may happen that you cannot save any more messages to be displayed in memory 18. In this case program 24 eliminates a display message deemed to be the least used. To judge a frequency of display, and therefore use of a message to be displayed, the program 24 uses content from fields such as field 28 and suppress the message whose value in this field indicates that the associated message is least used. In addition, decoder 1 is generally associated with an operator's server, for example the server 3. Thus the server 3, comprising a microprocessor 30 controlled by a program 31 in a program memory 32 and a bus 33 of commands, addresses and data, can send to the decoder 1 of the predefined and imposed messages. These messages are not always timely. In this case and in a preferred example of the invention the browser 21 sends content to table 25 to server 3. server 3, receiving the contents of table 25, saves it in a backup memory 34 in a location 34 1 reserved for a user of decoder 1, other locations 34 2 to 34 n being reserved for other users who can also access the server 3. This information that the server 3 requires the decoder 1 can be information from the source 13 1 connected to the network 13 to which the server 3 is connected either directly by a link 35 either by network 4 which itself is connected to network 13 by a link 36. Thus, with the content of table 25, it is easy to estimate a user profile. From this profile program 31 of server 3 can choose for each user a type of message to send. In as a result, a user now receives information from the operator to be viewed in accordance with the profile established from table 25 which has has been sent to server 3. This information is sent over the link 11 at high speed automatically.

En outre, un paramètre statistique peut être, on l'a vu, un identifiant du message à visualiser. Cet identifiant est une information telle qu'une adresse ou un mot-clé permettant de caractériser le message à visualiser. En effet, le plus souvent dans des messages émis à partir du réseau 13, chaque message à visualiser comporte un mot ou un groupe de mots permettant de caractériser ce message à visualiser. Dans l'exemple du bulletin météorologique, on pourrait avoir comme mots-clés les mots météo et/ou information. Ainsi, on pourrait envisager de mémoriser ces mots-clés dans le décodeur 1 dans une table 37 ou alors de les mémoriser dans des champs supplémentaires de la table 25.In addition, a statistical parameter can be, as we have seen, an identifier of the message to view. This identifier is information such as an address or a keyword used to characterize the message to be displayed. Indeed, the more often in messages sent from network 13, each message to view contains a word or a group of words allowing to characterize this message to be viewed. In the example of the bulletin meteorological, we could have as keywords the words weather and / or information. So, we could consider memorizing these keywords in the decoder 1 in a table 37 or then memorize them in fields table 25.

Dans l'invention, la mémoire 18 est placée dans le décodeur 1. Cependant, on pourrait très bien envisager de placer la mémoire 18 dans le téléviseur 2. En outre, la mémoire 18, la table 25 ainsi que la table 37 peuvent être soit trois éléments de mémoire physiquement séparés soit appartenir à une même mémoire 38 de sauvegarde. Dans un exemple, cette mémoire 38 est une mémoire dite mémoire de masse ou encore disque dur, c'est-à-dire qu'il s'agit dans un exemple simple d'un disque rotatif sur lequel on mémorise des informations sous une forme magnétique.In the invention, the memory 18 is placed in the decoder 1. However, one could very well consider placing memory 18 in the television set 2. In addition, memory 18, table 25 as well as table 37 can be either three physically separate memory items or belong to the same backup memory 38. In one example, this memory 38 is a memory called mass memory or also hard disk, that is to say that in a simple example it is a rotating disc on which information is stored in magnetic form.

Dans une variante de l'invention, le programme 24 met à jour la base de données lorsqu'une utilisation du décodeur 1 le permet, c'est à dire lorsqu'un utilisateur n'utilise pas le décodeur 1 en faisant des accès au réseau 13 par exemple. On évite ainsi de surcharger le microprocesseur 20 et donc de ralentir un fonctionnement du décodeur 1.In a variant of the invention, the program 24 updates the database data when the use of decoder 1 allows it, i.e. when a user does not use decoder 1 by accessing the network 13 for example. This avoids overloading the microprocessor 20 and therefore to slow down an operation of the decoder 1.

Claims (9)

Procédé de gestion d'un décodeur (1) relié à un téléviseur (2) et recevant un message à visualiser provenant d'une source (3, 13 1) de données distante, ce message étant identifié par une adresse, dans lequel : on mémorise dans une mémoire (18) de sauvegarde du décodeur une base de données à partir d'une collection (19) de messages reçus de la source de données distante, on met à jour la base de données à l'aide d'un programme (24) de mise à jour, on mémorise dans le décodeur, à partir d'une utilisation de la base de donnée, une table (25) d'informations (25 1-25 i) statistiques, une information statistique comportant au moins un paramètre statistique,    caractérisé en ce que on gère, avec le programme de mise à jour, une capacité de la mémoire de sauvegarde à partir des informations statistiques de la table, Method for managing a decoder (1) connected to a television set (2) and receiving a message to be viewed from a remote data source (3, 13 1), this message being identified by an address, in which: a database is stored in a memory (18) for backing up the decoder from a collection (19) of messages received from the remote data source, the database is updated using an updating program (24), a table (25) of statistical information (25 1-25 i) is stored in the decoder, from a use of the database, statistical information comprising at least one statistical parameter, characterized in that we manage, with the update program, a capacity of the backup memory from the statistical information in the table, Procédé selon la revendication 1, caractérisé en ce que lors d'une demande de connexion à une adresse souhaitée d'un message à visualiser, on contrôle en premier lieu si le message à visualiser associé à cette adresse souhaitée est présent dans la base de donnée et le cas échéant on l'y prélève, sinon on prélève à partir de la source de données distante un contenu du message à visualiser situé à l'adresse souhaitée. Method according to claim 1, characterized in that during a request for connection to a desired address of a message to be viewed, it is firstly checked whether the message to be viewed associated with this desired address is present in the database and if necessary it is taken there, otherwise, the content of the message to be viewed located at the desired address is taken from the remote data source. Procédé selon l'une des revendications 1 à 2, caractérisé en ce que on accède à la source de donnée distante par l'intermédiaire d'un réseau (4) câblé et ou d'un réseau satellite et ou d'un réseau (13) Internet. Method according to one of claims 1 to 2, characterized in that the remote data source is accessed via a cable network (4) and or a satellite network and or an Internet network (13). Procédé selon la revendication 1 à 3 caractérisé en ce que on accède à la source de données distante régulièrement afin de prélever un contenu mis à jour associé à un message à visualiser de la base de données. Method according to claim 1 to 3 characterized in that the remote data source is accessed regularly in order to take updated content associated with a message to be viewed from the database. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que on utilise comme paramètre statistique un identifiant du message à visualiser, l'identifiant étant une information telle qu'une adresse, ou un mot, permettant de caractériser le message à visualiser. Method according to one of claims 1 to 4, characterized in that an identifier of the message to be displayed is used as a statistical parameter, the identifier being information such as an address or a word, making it possible to characterize the message to be displayed. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que on place dans une information statistique un paramètre statistique relatif à une fréquence d'utilisation du message à visualiser,
   et en ce que
lorsqu'on ne peut plus sauvegarder de message à visualiser dans la mémoire de sauvegarde on élimine un message à visualiser présent dans la base de données en partant du moins utilisé.
Method according to one of claims 1 to 5, characterized in that a statistical parameter relating to a frequency of use of the message to be displayed is placed in statistical information,
and in that
when you can no longer save a message to be displayed in the backup memory, a message to be displayed in the database is eliminated, starting from the least used.
Procédé selon l'une des revendications 1 à 6, caractérisé en ce que on associe le décodeur avec un serveur (3) d'un opérateur, on transmet au serveur un contenu relatif à la table d'informations statistiques, on reçoit du serveur une information à visualiser en concordance avec un profil établi à partir de la table. Method according to one of claims 1 to 6, characterized in that the decoder is associated with a server (3) of an operator, content relating to the statistical information table is transmitted to the server, information is received from the server to be viewed in accordance with a profile established from the table. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que on place la mémoire de sauvegarde dans le décodeur. Method according to one of claims 1 to 7, characterized in that the backup memory is placed in the decoder. Procédé selon l'une des revendications 1 à 7 caractérisé en ce que on met à jour la base de données lorsqu'une utilisation du décodeur le permet. Method according to one of claims 1 to 7 characterized in that the database is updated when use of the decoder allows.
EP01400015A 2000-01-04 2001-01-04 Management method for a decoder connected to the Internet and associated decoder Expired - Lifetime EP1115249B1 (en)

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EP1115249B1 (en) 2011-12-28
FR2803473A1 (en) 2001-07-06
FR2803473B1 (en) 2003-12-26
US20010054182A1 (en) 2001-12-20
ES2377917T3 (en) 2012-04-03

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